Quad blade unit



FIG. 1 is a first top perspective view of a quad blade unit of the present disclosure;

FIG. 2 is a first bottom perspective view of the quad blade unit of FIG. 1;

FIG. 3 is a second top perspective view of the quad blade unit of FIG. 1;

FIG. 4 is a second bottom perspective view of the quad blade unit of FIG. 1;

FIG. 5 is a first side elevational view of the quad blade unit of FIG. 1;

FIG. 6 is a second side elevational view of the quad blade unit of FIG. 1;

FIG. 7 is a front elevational view of the quad blade unit of FIG. 1;

FIG. 8 is a rear side elevational view of the quad blade unit of FIG. 1;

FIG. 9 is a top plan view of the quad blade unit of FIG. 1; and,

FIG. 10 is a bottom plan view of the quad blade unit of FIG. 1.

The broken lines depict portions of the article that form no part of the claimed design. 

CLAIM We claim the ornamental design for a quad blade unit, as shown and described. 